ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,440, issued on July 29, was assigned to Cable Television Laboratories Inc. (Louisville, Colo.).

"Systems and methods for obtaining permanent MAC addresses" was invented by Bernard McKibben (Golden, Colo.) and Tao Wan (Ottowa, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A network server is provided. The network server includes at least one processor in communication with at least one memory device. The network server is programmed to receive an access request originating from a user device, perform an authentication process for connecting with the user device, transmit, to the user device, a request message for a media access control (MAC) ...